A:What do you want to do in the future, Allen? B:I want to _ a Hope School to help students who are unable to go to school.
A:set out
B:set off
C:set up
某学生用托盘天平称量时,误将药品和砝码位置放颠倒了.待平衡时,称得药品质量读数为9.5g(1g以下用游码),则药品的实际质量为 ____ .
所谓不平衡的小康是指( )
与“黄河流域”“半地穴式房屋”“粟”等关键词有关的古人类活动遗址应是( )
x=____(填小数)